WHUS73 KGRB 190010 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 710 PM CDT Mon May 18 2026 LMZ521-522-190815- /O.NEW.KGRB.MF.Y.0007.260519T0010Z-260519T1700Z/ /O.CON.KGRB.SC.Y.0053.260519T1500Z-260520T0000Z/ Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 710 PM CDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until noon CDT Tuesday. For the Small Craft Advisory, from 10 AM to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ541>543-190815- /O.NEW.KGRB.MF.Y.0007.260519T0010Z-260519T1700Z/ /O.EXT.KGRB.SC.Y.0053.260519T0600Z-260520T0000Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 710 PM CDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TUESDAY... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM TO 7 PM CDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...For the Dense Fog Advisory, until noon CDT Tuesday. For the Small Craft Advisory, from 1 AM to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$